Results 1 to 10 of about 657 (107)
Experimental Investigation of Lift Enhancement and Drag Reduction of Discrete Co-Flow Jet Rotor Airfoil [PDF]
Applied Sciences, 2021 Rotor airfoil design involves multi-point and multi-objective complex constraints. How to significantly improve the maximum lift coefficient and lift-to-drag ratio of rotor airfoil is a fundamental problem, which should be solved urgently in the ...
Shunlei Zhang +4 more
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Hangkong gongcheng jinzhan, 2021 As the novel active flow control technology,Co-flow Jet concept(CFJ)is one of the most potential methods to achieve the high lift enhancement and drag reduction of rotor airfoil.Based on the OA 312 rotor airfoil,the CFJ rotor airfoil dynamometric model ...
ZHANG Shunlei +4 more
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Applied SciencesCo-flow jet (CFJ) is an active flow control technique that significantly enhances aerodynamic performance metrics such as the maximum lift and maximum lift-to-drag ratio of airfoils or wings.
Bo Wang +3 more
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Optimization of ski jumping in-run posture using computational fluid dynamics [PDF]
Scientific ReportsWhile aerodynamic optimization during ski jumping flight phases is well-studied, critical knowledge gaps persist regarding posture-fluid interactions in the in-run phase – particularly the dominance of drag dynamics over lift enhancement for speed ...
Wenhan Liu +3 more
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AI-Enabled Flexible Sensing Skin for Next-Generation Aircraft: Toward Embodied Intelligence [PDF]
ResearchAircraft serve as the intelligent extension of human capabilities into 3-dimensional space. Next-generation aircraft will transcend the limitations of traditional fixed aerodynamic configurations, evolving into embodied intelligent agents capable of ...
JingJing Ji +5 more
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Numerical Study of Flow Control on Simplified High-Lift Configurations [PDF]
Journal of Applied Fluid Mechanics, 2023 Enhancement in the aerodynamic performance of wings and airfoils is very notable when Active Flow Control (AFC) is applied to Short Take-off and Landing aircraft (STOL).
B. Goffert +3 more
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Application Research of Flow Control Using Co-flow Jet on a Vertical Tail
Hangkong gongcheng jinzhan, 2022 The aerodynamic characteristics of the vertical tail of an aircraft are directly related to the size and weight of the vertical tail. Increasing the lift force of the vertical tail using flow control can further reduce the size of the vertical tail,which
SHI Zijie +5 more
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Effects of an Unsteady Morphing Wing with Seamless Side-Edge Transition on Aerodynamic Performance
Energies, 2022 This paper presents an unsteady flow analysis of a 3D wing with a morphing trailing edge flap (TEF) and a seamless side-edge transition between the morphed and static parts of a wing by introducing an unsteady parametrization method.
Chawki Abdessemed +2 more
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Advances in Mechanical Engineering, 2022 In this article, direct numerical simulations of flow around NACA0012 hydrofoil with superhydrophobic surface (SHS) is presented. Surface heterogeneity takes into account by periodic no-slip and shear-free grates on the surface.
Taiba Kouser +3 more
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Effects of Key Parameters on Airfoil Aerodynamics Using Co-Flow Jet Active Flow Control
Aerospace, 2022 The Co-Flow Jet (CFJ) technique is an effective way to enhance the aerodynamics of airfoils. The present study is to comprehensively investigate the effects of CFJ key parameters, viz., the jet momentum coefficient, the injection slot location, the ...
Ruochen Wang +3 more
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